Home / 140,037.76-193,250.00-76,375.56

Finding the Fourth Proportional to 140,037.76, 193,250.00 and 76,375.56

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Solution

The fourth proportional to 140,037.76, 193,250.00 and 76,375.56 is: 105,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037.76 : 193,250.00 = 76,375.56 : x
  2. Step 2: Convert to fraction form
    140,037.76/193,250.00 = 76,375.56/x
  3. Step 3: Cross multiply
    140,037.76x = 193,250.00 × 76,375.56
  4. Step 4: Simplify right side
    140,037.76x = 14,759,576,798.60
  5. Step 5: Solve for x
    x = 14,759,576,798.60/140,037.76
  6. Step 6: Final answer
    x = 105,397.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.